What is mpp_ file? How to open mpp_ files?

The mpp_ file extension is associated with Microsoft Project. Microsoft Project (or MSP) is a project management software program developed and sold by Microsoft which is designed to assist project managers in developing plans, assigning resources to tasks, tracking progress, managing budgets and analysing workloads.

The .mpp_ files are used for plan files in some earlier Mac version of the application.

Unspecified and all other actions for computer programs working with mpp_ file - Microsoft Project for Mac plan file

Click on the software link for more information about Microsoft Project. Microsoft Project uses mpp_ file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

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